How to figure overtime pay monthly. (Assuming salary of 8,000 baht).
(/ represents division, * represents multiplication).
Salary 18,000 / 30 = 600 baht / day.
600/7 hours working = 85.71 baht /1hours
OT 1.5 hrs.85.71*1.5 =128.57 * each working day,
OT3 audience. each overtime, vacation / holidays (3 times), 266.66 / 8 * 3 = 99.9 baht / hour
O.T.3 ชม.ละ ค่าล่วงเวลาวันหยุด/นักขัตฤกษ์ (3 เท่า) 266.66/8*3 = 99.9 บาท/ชม.